43157361 has 24 divisors (see below), whose sum is σ = 65036736. Its totient is φ = 25396800.

The previous prime is 43157311. The next prime is 43157369. The reversal of 43157361 is 16375134.

It is not a de Polignac number, because 43157361 - 2¹¹ = 43155313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43157369) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9811 + ... + 13511.

It is an arithmetic number, because the mean of its divisors is an integer number (2709864).

Almost surely, 2^43157361 is an apocalyptic number.

It is an amenable number.

43157361 is a deficient number, since it is larger than the sum of its proper divisors (21879375).

43157361 is a wasteful number, since it uses less digits than its factorization.

43157361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3753 (or 3740 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 43157361 is about 6569.4262306536. The cubic root of 43157361 is about 350.7666487390.

The spelling of 43157361 in words is "forty-three million, one hundred fifty-seven thousand, three hundred sixty-one".